@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;900&family=Nunito:wght@400;700&display=swap');

:root {
    --deep-teal: #305f72;
    --sky: #57c4e5;
    --ink: #2e4045;
    --mist: #8ca6ad;
    --bg: #f0f4f8;
}

* {
    box-sizing: border-box;
}

body, html {
    margin: 0;
    padding: 0;
    font-family: 'Nunito', sans-serif;
    background-color: var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ── Background canvas ─────────────────────────────────────────────── */

#animationCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* ── Nav ────────────────────────────────────────────────────────────── */

nav {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    width: 100%;
    padding: 20px 0;
    text-align: center;
    z-index: 100;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5em;
    letter-spacing: 0.1em;
    color: var(--ink);
}

.nav-link {
    color: var(--deep-teal);
    text-decoration: none;
    font-weight: bold;
    letter-spacing: 0.05em;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.nav-link:hover {
    background-color: var(--sky);
    color: white;
}

@media (max-width: 480px) {
    nav {
        gap: 10px;
        padding: 15px 0;
    }
}

/* ── Hero ───────────────────────────────────────────────────────────── */

.hero {
    margin: 10vh auto 0;
    text-align: center;
    max-width: 680px;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 6vw, 5rem);
    color: var(--ink);
}

.hero p {
    color: var(--mist);
    margin-top: 20px;
    line-height: 1.6;
}

@media (max-width: 480px) {
    .hero p {
        padding: 0 10px;
    }
}

/* ── Cards ──────────────────────────────────────────────────────────── */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    padding: 60px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.card {
    background-color: white;
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card label {
    color: var(--sky);
    font-weight: bold;
}

.card h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--deep-teal);
    margin-top: 10px;
}

.card p {
    color: var(--ink);
    margin-top: 10px;
    line-height: 1.6;
}

/* ── CTA / Signal ───────────────────────────────────────────────────── */

.cta {
    text-align: center;
    margin: 20px 0 80px;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

.signal-status {
    font-weight: bold;
    color: var(--sky);
    letter-spacing: 0.05em;
}

.signal-cta {
    display: inline-block;
    margin: 20px 0;
    padding: 14px 32px;
    background-color: var(--deep-teal);
    color: white;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: background-color 0.3s, transform 0.3s;
}

.signal-cta:hover {
    background-color: var(--sky);
    transform: translateY(-2px);
}

.signal-sub {
    font-weight: normal;
    color: var(--mist);
}

@media (max-width: 768px) {
    .cards { grid-template-columns: 1fr; padding: 30px 20px; }
}